期刊
SEMINARS IN IMMUNOPATHOLOGY
卷 29, 期 2, 页码 115-122出版社
SPRINGER HEIDELBERG
DOI: 10.1007/s00281-007-0067-2
关键词
pregnancy; regulatory T cell; regulatory NK cell; Th3 cell; Tr1 cell
In the early pregnancy decidua, lymphocytes express some activation markers on their surface, suggesting that maternal lymphocytes are activated and recognize the semiallograftic fetus. Therefore, the immunoregulation system must work to prevent fetus rejection. Recent data showed that parts of the immunoregulation system such as CD4(+) CD25(+) regulatory T ( Treg) cells, Th3 cells, Tr1 cells, regulatory NK cells, and a tryptophan- catabolizing enzyme, indolamine 2,3 deoxygenase, play very important roles in the maintenance of pregnancy. Not only Treg cells but also regulatory NK cells may inhibit maternal T cell or NK cell fetal attack.
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